In DNA electrophoresis, fragment separation is based on
A) fragment size.
B) fragment nucleotide content.
C) fragment sequence.
D) fragment charge.
E) All of these
A
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Which of the following statements represents a good hypothesis?
a. Shoofly pie tastes good. b. The swimming speed of Artemia increases at higher temperatures. c. There is life after death. d. Hemophilia is also known as "bleeder's disease." e. Since sparrows, robins, hawks, and pigeons are all birds and have wings, all birds have wings.
Hermaphroditic earthworms reproduce sexually by connecting their bodies by their __________. This
allows transfer of __________ from one worm to the other. A. setae; zygotes B. setae; eggs C. setae; sperm D. clitellum; eggs E. clitellum; sperm
Each ommatidium of the compound eye of an insect has a biconvex lens and a __________, which
help focus light onto photoreceptor cells known as __________. a. crystalline cone; retinular cells b. facet; ocelli c. rhabdome; cones d. sclera; rods e. cornea; rhodopsins
Meiosis occurs in any life cycle that involves
What will be an ideal response?